The dates you mentioned—Wednesday, December 17, to Sunday, December 21—do not align with the current or recent Ashes schedules. However, if you're referring to a future or a historical Australia vs. England Third Test at Adelaide Oval, I can help find details. Would you like: Historical records of past Tests between Australia and England at...

It looks like you're referring to an Australia vs England Test series where: The Third Test is at Adelaide Oval from December 17 to December 21 The Fourth Test is at Melbourne Cricket Ground (MCG) from December 26 to December 30 These dates align with a traditional Ashes series schedule, with the MCG hosting the...